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There are two ways to reduce net emissions of carbon dioxide: limit how much carbon dioxide is emitted into the atmosphere as we burn fossil fuels, or increase the rate at which it is absorbed. In this lesson,...

This is the first part of a two-part exercise in which students perform an audit and analysis of energy consumption in their homes. This part provides an introduction to the uses of energy in our homes. Topics include...

Statistics play a vital role in the scientific enterprise. This activity provides background information and tutorials on basic statistics (mean, median, standard deviation, etc.) used in science. Topics include...

In this activity, students investigate the effects of automobile pollution on plant growth by making measurements on two populations of leaves, one from within 10 meters of a busy road and a population of the same...

Created by Milo Schield of Augsberg College, this paper presents rules for determining whether an index variable in such a table is part or whole depending on whether the associated margin value is an average, a sum or...